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17 87 17 88 17 89 17 90 17 91 17 92 17 93 17 94 17 95 17 96 17 97 1377 1376 1375 1374 1373 1372 1371 1370 1369 1368

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid